The bug
If a spawn egg is used on water sufficiently deep so that the water is targeted and not any blocks under it, the mob is spawned successfully but the hand does not display any animations. If a block is targeted instead, the hand will move.
Linked issues
discovered while testing 1
relates to 2
Attachments
Comments 9
Relates to MC-84611
Relates to MC-127094
Relates to MC-160981
Also appears in all the MC 1.13 pre-releases.